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Thread: Sevice 4wd
12-05-2007, 08:37 PM #1
WE JUST HAD OUR FIRST SNOW FALL IN PA. IT SNOW LESS THE 2 " AND I PUT MY 2003 TAHOE INTO AUTO 4WD BUTTON ON. WHEN I GOT HOME ,LESS THE 3 MILES I PUT IT BACK INTO 2WD AND A SEVICE 4WD CAME ON THE DASH THAT I TO SEVICE THE 4WD.. WHAT DOES IT MEAN? AND WHAT DID I DO TO THE TAHOE?
12-05-2007, 10:25 PM #2
When the service 4wd light comes on, it means that the transfer case control module (TCCM) has detected a fault (analogous to when the service engine soon light comes on). SOP would be to find a shop with the proper equipment to read DTC's from the TCCM.
It seems that these have frequent problem with the switches.'98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
'92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
"My toys were the greasy cogs and springs and pistons that lay around all over the place, and these, I can promise you, were far more fun to play with than most of the plastic rubbish children are given nowadays." Danny in Roald Dahl's Danny The Champion of the World
By Jose in forum Chevy Avalanche Forum (Escalade EXT)Replies: 4Last: 02-19-2007, 06:56 PM